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# SSS Triangle Congruence

## Three sets of equal side lengths determine congruence.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## SSS Triangle Congruence

by CK-12 //at grade
This concept introduces students to the SSS Triangle Congruence Postulate and how to prove that two triangles are congruent given only information about their side lengths.
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• PLIX

## SSS Triangle Congruence: Congruence Conundrum

by CK-12 //at grade
SSS Triangle Congruence Interactive
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• Video

## SSS Triangle Congruence Principles

by CK-12 //at grade
This video gives more detail about the mathematical principles presented in SSS Triangle Congruence.
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• Video

## SSS Triangle Congruence Examples

by CK-12 //at grade
This video shows how to work step-by-step through one or more of the examples in SSS Triangle Congruence.
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## SSS Triangle Congruence Quiz

by CK-12 //at grade
Nine question quiz. Students must examine diagrams of triangles and the coordinates of triangles and determine if they are congruent using the SSS congruency theorem. Students must justify their reasoning.
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• Critical Thinking

## SSS Triangle Congruence Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for SSS Triangle Congruence.
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• Real World Application

## SSS Triangle Congruence

by CK-12 //at grade
Do a hands on activity to help conceptualize congruent triangles.
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• Study Guide

## Triangle Congruence Study Guide

by CK-12 //at grade
This study guide is an overview of triangle congruence: defining corresponding parts of congruent triangles, postulates and theorems for congruences (SSS, SAS, AAS, ASA), and postulates and theorems for congruences for special triangles.
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